3. Use the menu fields to set the search parameters.
T
o change the settings on an existing search, double-tap the search badge and make necessary changes.
Logic Search configuration menu fields and controls
Field or control Description
Display Sets the display of the mark icons to either On or Off. If you have multiple searches defined, the
control turns of
f just the marks for the selected search.
Act On Event Tap the Act on Event button to configure the actions the instrument must take when a search event
occurs. See Act On Event configuration menu on page 105 for the available fields and controls.
Results Table Sets the results table as On or Off to see the active measurements, bus decode activity, and search
results in a spreadsheet format. Default is off.
Stop Acquisition if Event
Found
Stops input acquisition when the search event occurs. Default is not enabled.
Search Type Set to Logic.
Use Clock Edge? Enables or disables finding logic patterns that occur on the specified clock edge.
Yes places marks on the clock waveform wherever the logic pattern occurs.
No places marks on the input signal waveform(s) wherever the logic pattern occurs.
Logic Pattern: Define Inputs Opens the Logic Search-Define Inputs configuration menu where you define the logic state (High, Low,
or Don't Care), and the signal threshold level that defines the logic state for each analog or digital
signal. See Define Inputs.
Mark When Defines the waveform logic event to mark, when Use Clock Edge is set to No.
• Goes True: All conditions change to a true state.
• Goes False: All conditions change to a false state.
• Is True > Limit: Condition remains true longer than a specified time.
• Is True < Limit: Condition remains true for less than a specified time.
• Is True = Limit: Condition remains true for a specified time (within ± 5%).
• Is True ≠ Limit: Condition does not remain true for a specified time (within ± 5%).
Clock Source Sets the signal to use as the clock. The clock source can be an analog, digital, math, or reference
waveform. Available when Use Clock Edge is Yes.
Clock Edge Sets the polarity of the clock edge (rising or falling) for evaluating the other menu conditions. The Logic
menu also lets you set the clock edge to either edge. Available when Use Clock Edge is Yes.
Clock Threshold Sets the threshold level that the clock signal must pass through to be considered a valid transition. The
clock threshold value is independent of the input signal threshold(s). Available when Use Clock Edge
is Yes.
Define Logic
Sets the logic condition that must occur with all inputs.
• AND: All conditions are true.
• OR: Any condition is true.
• NAND: One or more conditions are true.
• NOR: No conditions are true.
Copy Trigger Settings to
Search
Sets the search criteria to match the current oscilloscope trigger settings.
Table continued…
Menus and dialog boxes
2 Series MSO MSO24 and MSO22 153
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